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Crit Care. 2010; 14(Suppl 1): P524.
Published online 2010 March 1. doi:  10.1186/cc8756
PMCID: PMC2934131

Impact of positive fluid balance on survival in critically ill cancer patients


Fluid overload has recently been linked to adverse outcomes in critically ill patients, but its impact on the outcomes of cancer patients admitted to ICUs has not been previously described. The aim of this study is analyze the impact of fluid overload on outcomes of patients with cancer needing intensive care.


A total of 122 cancer patients admitted to the medical ICU in a 6-month period were prospectively evaluated for survival. Univariate and multivariate analysis were used to study ICU admission parameters associated with ICU mortality. Exclusion criteria were ICU stay <24 hours and chronic renal failure on dialysis.


Overall mortality was 15.5% (n = 19). The mean age of all patients was 62.7 ± 11.6 years and 55% (n = 68) were male. One hundred and six patients (86%) had solid tumors and 16 (14%) had hematologic malignancies. Postoperative care (49%) and sepsis (38%) were the major reasons for admission to the ICU. The mean APACHE II score value at ICU admission was 17.2 ± 6.4 and the mean Karnofsky score before ICU admission was 75.2 ± 17.2. At multivariate analysis, the following variables at ICU admission were significantly associated with ICU mortality in cancer patients: Lung Injury Score (LIS) >2 (OR 3.3; 95% CI 1.32 to 8.23) and positive fluid balance (for each 100 ml/24 hours) (OR 1.03; 95% CI 1.01 to 1.06).


Fluid overload is independently associated with increased mortality in critically ill cancer patients. Further studies are necessary to determine the impact of positive fluid balance on acute organ dysfunction and overall prognosis of cancer patients.


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  • Bouchard J. et al. Fluid accumulation, survival and recovery of kidney function in critically ill patients with acute kidney injury. Kidney Int. 2009;76:422–427. doi: 10.1038/ki.2009.159. [PubMed] [Cross Ref]

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